55201444 has 12 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 27553448.

The previous prime is 55201427. The next prime is 55201451. The reversal of 55201444 is 44410255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9124 + ... + 13915.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^55201444 is an apocalyptic number.

It is an amenable number.

55201444 is a deficient number, since it is larger than the sum of its proper divisors (41566556).

55201444 is a wasteful number, since it uses less digits than its factorization.

55201444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642 (or 23640 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 55201444 is about 7429.7674257005. The cubic root of 55201444 is about 380.7589724794.

Adding to 55201444 its reverse (44410255), we get a palindrome (99611699).

The spelling of 55201444 in words is "fifty-five million, two hundred one thousand, four hundred forty-four".